feat: Add presence heartbeat for Matrix online status

- matrix-gateway: POST /internal/matrix/presence/online endpoint
- usePresenceHeartbeat hook with activity tracking
- Auto away after 5 min inactivity
- Offline on page close/visibility change
- Integrated in MatrixChatRoom component

vite.config.ts

@@ -1,11 +1,61 @@
 import { defineConfig } from 'vite';
 import react from '@vitejs/plugin-react';
+import { viteApiPlugin } from './scripts/vite-api-plugin';
 
 export default defineConfig({
-  plugins: [react()],
+  plugins: [
+    react(),
+    viteApiPlugin(),
+    {
+      name: 'exclude-backend-files',
+      enforce: 'pre',
+      resolveId(id) {
+        // Exclude backend files from Vite processing
+        if (id.includes('src/app.ts') || id.endsWith('/app.ts')) {
+          return { id: 'virtual:empty', external: true };
+        }
+        if (id.includes('/infra/') || 
+            id.includes('/services/') || 
+            id.includes('/domain/') ||
+            id.includes('/api/http/') ||
+            id.includes('/api/middleware/')) {
+          return { id: 'virtual:empty', external: true };
+        }
+        return null;
+      },
+      load(id) {
+        if (id === 'virtual:empty') {
+          return 'export default {};';
+        }
+        return null;
+      },
+    },
+  ],
   server: {
-    port: 3000,
+    port: 8899,
     open: true,
+    proxy: {
+      // Проксі для Agent Cabinet Service
+      '/api/agent': {
+        target: 'http://localhost:8898',
+        changeOrigin: true,
+      },
+      // Проксі для NODE1 API
+      '/api/node1': {
+        target: 'http://144.76.224.179:8899',
+        changeOrigin: true,
+        rewrite: (path) => path.replace(/^\/api\/node1/, '/api'),
+      },
+      // Проксі для Node Registry Service
+      '/node-registry': {
+        target: 'http://localhost:9205',
+        changeOrigin: true,
+        rewrite: (path) => path.replace(/^\/node-registry/, ''),
+      },
+    },
+  },
+  optimizeDeps: {
+    exclude: ['express'],
   },
 });